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appendicitis

American  
[uh-pen-duh-sahy-tis] / əˌpɛn dəˈsaɪ tɪs /

noun

Pathology.
  1. inflammation of the vermiform appendix.


appendicitis British  
/ əˌpɛndɪˈsaɪtɪs /

noun

  1. inflammation of the vermiform appendix

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

appendicitis Scientific  
/ ə-pĕn′dĭ-sītĭs /
  1. Inflammation of the appendix, usually caused by a blockage or infection.


appendicitis Cultural  

Other Word Forms

  • pseudoappendicitis noun

Etymology

Origin of appendicitis

1885–90, < New Latin, equivalent to Latin appendic- (stem of appendix ) appendix + New Latin -ītis -itis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Physicians treating patients after car crashes or appendicitis have spotted clusters of pearls in the stomach and intestines.

From Science Daily • Mar. 1, 2026

Otamendi Hospital said she underwent laparoscopic surgery, which confirmed the diagnosis of "appendicitis with localized peritonitis," and that she was recovering "without postoperative complications".

From Barron's • Dec. 21, 2025

The 30-year-old insurance salesperson — who was among the 25 women vying for “Bachelor” Grant Ellis’ final rose — confirmed Tuesday that she left the series due to appendicitis.

From Los Angeles Times • Feb. 11, 2025

Eight years earlier, the Texas Medical Board found that he had failed to diagnose appendicitis in one patient and syphilis in another.

From Salon • Nov. 1, 2024

That was the year Mom left, Jessie got sick with appendicitis, and Maw-Maw died.

From "Please Ignore Vera Dietz" by A.S. King